Re: [f2fs-dev] [PATCH] f2fs: fix double count on issued discard commands

From: Chao Yu
Date: Mon Sep 11 2017 - 21:53:32 EST


On 2017/9/11 11:38, Jaegeuk Kim wrote:
> If issue_cond is true, it does double count for # of issued commands.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

> ---
> fs/f2fs/segment.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 7fd742f747ce..25196ff5d587 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -1087,7 +1087,7 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, bool issue_cond)
> issued++;
> __submit_discard_cmd(sbi, dc);
> }
> - if (issue_cond && iter++ > DISCARD_ISSUE_RATE)
> + if (issue_cond && iter > DISCARD_ISSUE_RATE)
> goto out;
> }
> if (list_empty(pend_list) && dcc->pend_list_tag[i] & P_TRIM)
>